US20080210529A1 - Conveyor frame assembly having side rails including multiple attachment slots and adjustable cross supports - Google Patents
Conveyor frame assembly having side rails including multiple attachment slots and adjustable cross supports Download PDFInfo
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- US20080210529A1 US20080210529A1 US12/039,888 US3988808A US2008210529A1 US 20080210529 A1 US20080210529 A1 US 20080210529A1 US 3988808 A US3988808 A US 3988808A US 2008210529 A1 US2008210529 A1 US 2008210529A1
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- side rails
- attachment
- self
- pair
- conveyor assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/02—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors consisting essentially of struts, ties, or like structural elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/02—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors consisting essentially of struts, ties, or like structural elements
- B65G21/06—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors consisting essentially of struts, ties, or like structural elements constructed to facilitate rapid assembly or dismantling
Definitions
- the present invention generally relates to modular conveyor frame assemblies. More specifically, the present invention relates to a conveyor frame assembly that includes configurable cross supports and side rails having multiple passageways and connector slots formed in the side rails.
- moving belt conveyor systems are utilized in vastly different applications to move products/materials from one location to another in an automated fashion.
- the conveyor assemblies oftentimes include auxiliary devices that function in connection with the conveyor assembly to aid in moving products in a desired fashion.
- photo detector eyes and pusher devices are oftentimes mounted to the side rails of the conveyor frame assembly to act on the articles being moved by the conveyor frame.
- auxiliary devices are utilized with the conveyor frame assembly, the air hoses and electrical wires leading to the auxiliary devices are typically attached to the conveyor frame in a somewhat haphazard manner.
- the conveyor frame side rails may include attachment slots that receive T-shaped connectors to support the auxiliary devices, the T-shaped connectors interrupt the attachment slots, which prevents wires from being received within the attachment slots.
- an air pressure hose is typically hung from the side rail of the conveyor frame.
- the attachment of the electrical wires and the air supply hose to the side rails of the conveyor frame creates a cluttered appearance near the conveyor and may result in inadvertent disconnection of either the electrical wires or the air supply hose by personnel working near the conveyor frame assembly.
- the user of the conveyor assembly desires to change the length of the conveyor frame based upon the current application.
- the length of the conveyor assembly is adjusted by removing portions of the side rail and shortening the conveyor belt.
- the cross supports that provide rigidity to the conveyor frame are typically moved and reinstalled at the desired location along the modified length of the conveyor frame.
- the reattachment of the cross support requires personnel to add holes to the conveyor side frame, which is oftentimes not practical in the operating environment.
- the present invention relates to a conveyor frame assembly that can be assembled without any modification to the side rails of the conveyor frame assembly.
- the conveyor frame assembly includes a pair of spaced side rails and cross supports that receive self-threading fasteners in self-tapping slots along the interior side of the side rails.
- the geometry of the self-tapping slots and the actual side rail are designed to provide added strength to the joint between the cross supports and the side rails.
- the self-tapping slots formed in the side rails are positioned at a 30° angle to drive the cross member into the support shoulder on the side rail extrusion, although angles between 30°-60° are contemplated as being within the scope of the present invention.
- All of the self-threading fasteners are inserted from above the cross support extrusion to aid in the speed of assembly.
- the physical configuration of the cross support allows all of the self-threading fasteners used to attach the cross support to the side rail to be visible and accessible from above the conveyor assembly, which provides improved access for assembly and disassembly.
- each of the side rails includes at least one integrated “light duty” self-tapping auxiliary slot.
- Each side rail features at least one of light duty auxiliary slots, which can be used for supporting or landing of electrical wires or other auxiliary devices.
- Self-threading fasteners are inserted into the auxiliary slot on the side rails, which eliminates the need for a T-nut, thus reducing cost and reducing the time it takes to land electrical wires along the entire conveyor.
- each side rail extrusion contains an air flow cavity that can be configured to receive a supply of pressurized air. The end of each extrusion will be blocked, providing a continuous air line for customer access.
- a connection device is used to bridge the pressurized air from one module to the next.
- the side rail has a location groove along the outside of the side rail to provide a location to access the integrated air flow cavity.
- a simple drill and tap can be preformed anywhere along the rail at the location groove and a pneumatic fitting can be installed.
- the side rail extrusion contains an open wire channel that will accommodate several low voltage wire lines.
- the wire channel is a continuous, uninterrupted partially enclosed channel that provides support and protection for low voltage wires running from their electronic device to the main junction box or control enclosure.
- the wire channel has a close fitting cover to seal off the wire channel. This cover can be cut to allow wires to enter and exit the wire channel.
- FIG. 1 is a perspective view illustrating a conveyor frame assembly constructed in accordance with the present invention
- FIG. 2 is an end view of the conveyor frame assembly shown in FIG. 1 ;
- FIG. 3 is an end view, similar to FIG. 2 , illustrating the location of the upper and lower runs of a continuous conveyor belt;
- FIG. 4 is a top perspective view illustrating the mounting of a cross support between a pair of spaced side rails
- FIG. 5 is a perspective view of the cross support machined for use with a plurality of self-tapping fasteners
- FIG. 6 is an end view of the cross support shown in FIG. 5 ;
- FIG. 7 is an end view illustrating the side rail
- FIG. 8 is a perspective view of the conveyor frame assembly illustrating the attachment of an auxiliary support device mounted to one of the self-tapping auxiliary slots formed in the conveyor frame side rail;
- FIG. 9 is an end view of the conveyor frame assembly shown in FIG. 8 .
- FIG. 1 illustrates a conveyor frame assembly 10 constructed in accordance with the present invention.
- the conveyor frame assembly 10 generally includes a pair of side rails 12 spaced from each other by the width of the conveyor belt (not shown) to be utilized with the conveyor frame assembly.
- the pair of side rails 12 are supported in a spaced relationship by the pair of cross supports 14 illustrated in FIG. 1 .
- the conveyor frame assembly 10 shown in FIG. 1 includes only a pair of cross supports 14 , it should be understood that additional cross supports 14 could be utilized in conveyor frame assemblies having a significantly greater length and/or width.
- the cross supports 14 provide structural integrity for the conveyor frame assembly 10 and additional cross supports 14 may be needed for longer lengths of the conveyor frame assembly.
- both the side rails 12 and the cross supports 14 are formed from extruded aluminum, although other materials are contemplated as being within the scope of the present disclosure.
- the cross support 14 includes a center section 16 defined by a pair of outer sidewalls 18 .
- the sidewalls 18 define a generally open interior 20 .
- the cross support 14 includes a pair of lower attachment webs 22 , 24 .
- Both of the attachment webs 22 , 24 include an internal, lateral attachment slot 26 , 27 , respectively.
- Each of the lateral attachment slots 26 , 27 is defined by an outer wall 28 and an internal rib 30 .
- the pair of attachment webs 22 , 24 are separated from each other by a central slot 32 defined by the center web 34 .
- the center web 34 extends upward into the open interior 20 to create the slot 32 .
- the cross support 14 further includes a first upper section 36 and a second upper section 38 that are separated from each other by an upper slot 40 .
- the upper slot 40 is defined by the center web 42 that also extends into the open interior 20 .
- the first upper section 36 includes a central attachment slot 44 while the second upper section 38 includes a similar central attachment slot 46 .
- the lateral attachment slots 26 , 27 are laterally offset a similar distance from the center line of the cross support 14 .
- Each of the lateral attachment slots 26 , 27 is positioned slightly below a generally flat face surface 48 .
- the face surface 48 formed on each of the attachment webs 22 , 24 extends laterally from one of the spaced sidewalls 18 of the center section 16 .
- the central attachment slot 44 is also formed slightly below the top face surface 50 while the central attachment slot 46 is formed slightly below the top face surface 52 .
- the cross support 14 machined for use between the side rails of the conveyor frame assembly.
- the cross support 14 includes a relieved access area 54 formed near both of the first and second ends 56 , 58 of the cross support 14 .
- each of the relieved access areas 54 is formed by removing a portion of the top face surface 50 , 52 using a circular milling cutter.
- the relieved access areas 54 create a pair of attachment face surfaces 60 , each in one of the upper sections 36 , 38 .
- the attachment face surfaces 60 are formed at an angle relative to vertical.
- each of the attachment face surfaces 60 extends at an angle of approximately 30° relative to vertical.
- the attachment face surface 60 extends through each of the central attachment slots 44 , 46 such that connectors can be used to secure the cross support 14 in the manner to be described in detail below.
- the cross support 14 is formed with a pair of lower, relieved access areas 62 formed in each of the attachment webs 22 and 24 .
- the lower relieved access areas 62 are formed near both the first end 56 and the second end 58 of the cross support 14 .
- the lower relieved access areas 62 are formed by a milling process and create an attachment face surface 64 .
- the attachment face surface 64 is formed at a similar angle relative to vertical as the attachment face surfaces 60 . In the preferred embodiment, the attachment face surface 64 extends at the same 30° angle relative to vertical.
- the lower relieved access area 62 provides access to the lateral attachment slot 26 formed in the attachment web 24 .
- similar relieved access areas 62 are formed in the attachment web 24 near both the first and second ends 56 , 58 to provide similar access to the lateral attachment slot 27 .
- FIG. 7 illustrates an end view of the side rail 12 used in constructing the conveyor frame assembly 10 shown in FIG. 1 .
- the side rail 12 is preferably formed from extruded aluminum. As can be understood in FIG. 1 , both of the side rails 12 are formed from the same extrusion.
- the side rail 12 includes an upper T-slot 66 and a lower T-slot 68 recessed from the outer wall 70 .
- Each of the T-slots 66 , 68 include a reduced width entrance opening 72 and a receiving cavity 74 .
- Each of the upper and lower T-slots 66 , 68 are sized to receive a T-slot connector to mount various components, such as sensors and pusher devices, along the length of the side rail 12 in a conventional manner.
- the side rail 12 includes a first self-tapping auxiliary slot 76 and a second self-tapping auxiliary slot 78 that are each sized to receive a self-threading fastener.
- the auxiliary slots 76 , 78 include an expanded outer portion 80 and a constant height channel 82 .
- the self-tapping auxiliary slots 76 , 78 can each receive a screw or other similar self-threading connector that allows relatively small devices to be supported on the side rail 12 .
- the side rail 12 further includes integrated wire channel 84 .
- the wire channel 84 is formed by an outer wall 86 that defines an internal wire cavity 88 having an entrance opening 90 .
- the wire cavity 84 extends, uninterrupted, from a first end 92 to a second end 94 of the side rail 12 , as illustrated in FIG. 1 .
- the uninterrupted wire channel 84 allows each of the side rails 12 to support a continuous low voltage wire or wires running from electronic devices mounted to the conveyor frame assembly 10 to a main junction box or control enclosure.
- the wire channel 84 unlike the upper and lower T-slots 66 , 68 , is not designed to receive T-slot connectors. Thus, during use of the conveyor assembly, the wire cavity 84 will extend, uninterrupted, along the entire length of each of the side rails 12 .
- the side rail 12 further includes an air flow cavity 96 that extends, uninterrupted, along the entire length of the side rail 12 .
- the air flow cavity 96 is completely contained within the side rail 12 and extends along the entire length of the side rail.
- the air flow cavity 96 can receive a pressurized supply of air by tapping into the air flow cavity 97 at a location between the first end 92 and the second end 94 of the conveyor frame assembly. Both ends of the side rail receiving the pressurized air typically receive an end cap to prevent the leakage of the pressurized air from within the air flow cavity 96 .
- a connection device (not shown) can be used to bridge the pressurized air from one side rail 12 to a similar side rail of the following conveyor section.
- the outer wall 98 includes a location groove 100 that provides a guide to access the air flow cavity 96 through the outer wall 98 .
- a location groove 100 that provides a guide to access the air flow cavity 96 through the outer wall 98 .
- an air connection can be drilled through the outer wall 98 through the location groove 100 .
- the interior side of the side rail 12 includes an upper self-tapping slot 102 and a lower self-tapping slot 104 that each extend at an angle (30°) inward from an inner wall 106 .
- the inner wall 106 terminates with a lower support shoulder 108 .
- a lower conveyor belt receiving cavity 110 Positioned below the support shoulder 108 is a lower conveyor belt receiving cavity 110 .
- the conveyor belt receiving cavity 110 is defined by a horizontal top wall 112 and a horizontal bottom wall 114 .
- the top and bottom walls 112 , 114 are each joined by a back wall 116 .
- the height of the conveyor belt receiving cavity 110 is defined by the distance between the top and bottom walls 112 , 114 and is selected to be greater than the thickness of the conveyor belt.
- the side rail 12 further includes a bottom, T-slot 118 .
- the bottom T-slot 118 is formed at the bottom of the side rail 12 and is configured to receive a conventional T-slot connector.
- the bottom T-slot 118 allows the side rail 12 to be mounted to a support stand using conventional connectors.
- the pair of cross supports 14 are positioned at the desired location along the length of the side rail 12 between the first end 92 and the second end 94 .
- a pair of cross supports 14 are utilized.
- additional cross supports 14 could be utilized while operating within the scope of the present invention.
- the bottom edge 120 of the cross support 14 rests upon the support shoulders 108 formed on each of the side rails 12 .
- the support shoulders 108 provide the vertical support necessary to hold the cross support 14 in the position shown in FIG. 2 .
- a pair of upper fasteners 122 are used to secure the first end 56 and the second end 58 of the cross support 14 to each of the spaced side rails 12 .
- each of the upper fasteners 122 are received within the relieved access areas 54 machined into the cross support 14 and are tightened into the upper self-tapping slot 102 .
- the fasteners 122 are tightened until the head 124 of the fastener 122 contacts the attachment face surface 60 formed as part of the relieved area 54 , as best shown in FIG. 5 .
- the cross support 14 is attached between the pair of side rails 12 by a pair of lower fasteners 126 .
- the lower fasteners 126 are also self-threading screws.
- the self-threading fasteners 126 are each received within the lower self-tapping slots 104 formed in each of the side rails 12 until the head 128 of the self-threading fastener 126 contacts the attachment face surface 64 of the relieved access area 62 . In this manner, the upper and lower fasteners 122 , 126 secure the cross support 14 between the pair of side rails 12 .
- the configuration of the cross support 14 allows both the upper fasteners 122 and the lower fasteners 126 to be installed between the cross support 14 and the pair of side rails 12 from above the cross support 14 .
- the lower fastener 126 is received within the attachment web 22 , which is laterally offset from the center section 16 .
- the upper fastener 122 is received within the central attachment slot 46 which is accessible from above the conveyor frame assembly 10 , as best illustrated in FIG. 4 .
- each of the cross supports 14 can be secured to the pair of spaced side rails 12 from above the conveyor frame assembly.
- the lateral offset of the attachment web 22 allows both the upper and lower fasteners 122 , 126 to be visible and therefore accessible by a straight installation tool, such as a screwdriver, at the same time from above the conveyor assembly.
- each of the side rails 12 includes a pair of upper wear clips 134 each attached to the upper wall 136 .
- the wear clips 134 are preferably formed from a durable, wear-resistant material, such as UHMW, that contacts the first surface 138 of the conveyor belt.
- a pair of lower wear clips 140 are attached to the lower attachment flange 142 and contact the second surface 144 of the conveyor belt.
- the lower run 132 of the conveyor belt is received within the conveyor belt receiving cavity 110 to limit the lateral and vertical movement of the conveyor belt during operation.
- the height of the conveyor belt receiving cavity 110 is greater than the thickness of the lower run 132 such that the conveyor belt can move vertically within the conveyor belt receiving cavity 110 .
- a center support 146 having a wear resistant outer guard 148 , is mounted between the cross support 14 to provide additional support for the center of the upper run 130 of the conveyor belt.
- a series of low voltage wires 150 are received within the wire channel 84 and extend along the entire length of the side frame 12 .
- each of the side rails 12 includes a pair of self-tapping auxiliary slots 76 and 78 .
- the self-tapping auxiliary slots 76 , 78 extend along the entire length of the side rails from the first end 92 to the second end 94 .
- the self-tapping auxiliary slots 76 , 78 are each sized to receive a self-threading connector such as shown by reference numeral 152 .
- the self-threading connector 152 includes a head portion 154 and a threaded shaft. As the fastener 152 is turned within one of the self-tapping auxiliary slots 76 , 78 , the threads contained on the shaft of the fastener 152 creates a series of threads within the side rail 12 .
- the fastener 152 secures an auxiliary attachment device 156 to the outer face surface of the side rail 12 .
- the auxiliary attachment device 156 can be selectively positioned anywhere along the length of the side rail between the first end 92 and the second end 94 . Once in position, the fastener 152 can be threaded into the self-tapping auxiliary slot 76 . In this manner, the attachment device 156 can be selectively positioned at any location along the length of the conveyor frame assembly. It is contemplated that the attachment device 156 may be used for conduit to guide electrical wires, cables or air hoses along the length of the conveyor assembly. Alternatively, various other types of lightweight auxiliary devices can be mounted at any position along the length of the conveyor assembly through the use of the pair of self-tapping slots 76 , 78 .
- the side rails 12 are shown with a pair of self-tapping auxiliary slots 76 , 78 , it is contemplated that either an additional number of slots could be incorporated into the side rails or that a single slot could be formed in the side rails. In either case, the self-tapping auxiliary slots 76 , 78 extend along the entire length of the side rails and allow various different auxiliary devices, such as air line supports, wire harnesses, photo sensors or various other lightweight devices to be attached selectively along the length of the conveyor frame.
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Abstract
Description
- The present application is based on and claims priority to U.S. Provisional Patent Application Ser. No. 60/892,636 filed on Mar. 2, 2007.
- The present invention generally relates to modular conveyor frame assemblies. More specifically, the present invention relates to a conveyor frame assembly that includes configurable cross supports and side rails having multiple passageways and connector slots formed in the side rails.
- Presently, moving belt conveyor systems are utilized in vastly different applications to move products/materials from one location to another in an automated fashion. Since conveyor assemblies are used in vastly different applications, the conveyor assemblies oftentimes include auxiliary devices that function in connection with the conveyor assembly to aid in moving products in a desired fashion. As an example, photo detector eyes and pusher devices are oftentimes mounted to the side rails of the conveyor frame assembly to act on the articles being moved by the conveyor frame. When these types of auxiliary devices are utilized with the conveyor frame assembly, the air hoses and electrical wires leading to the auxiliary devices are typically attached to the conveyor frame in a somewhat haphazard manner. Although the conveyor frame side rails may include attachment slots that receive T-shaped connectors to support the auxiliary devices, the T-shaped connectors interrupt the attachment slots, which prevents wires from being received within the attachment slots.
- Further, when pushing devices that operate upon pressurized air are utilized, an air pressure hose is typically hung from the side rail of the conveyor frame. The attachment of the electrical wires and the air supply hose to the side rails of the conveyor frame creates a cluttered appearance near the conveyor and may result in inadvertent disconnection of either the electrical wires or the air supply hose by personnel working near the conveyor frame assembly.
- Further, in many applications, the user of the conveyor assembly desires to change the length of the conveyor frame based upon the current application. Typically, the length of the conveyor assembly is adjusted by removing portions of the side rail and shortening the conveyor belt. During this process, the cross supports that provide rigidity to the conveyor frame are typically moved and reinstalled at the desired location along the modified length of the conveyor frame. In many conveyor frame assemblies, the reattachment of the cross support requires personnel to add holes to the conveyor side frame, which is oftentimes not practical in the operating environment.
- Therefore, a need exists for a conveyor frame assembly that includes side rails that provide a better method of directing both electrical wiring and an air supply hose, while allowing the conveyor length to be modified without requiring holes to be added to the conveyor side rails.
- The present invention relates to a conveyor frame assembly that can be assembled without any modification to the side rails of the conveyor frame assembly. The conveyor frame assembly includes a pair of spaced side rails and cross supports that receive self-threading fasteners in self-tapping slots along the interior side of the side rails. The geometry of the self-tapping slots and the actual side rail are designed to provide added strength to the joint between the cross supports and the side rails. Preferably, the self-tapping slots formed in the side rails are positioned at a 30° angle to drive the cross member into the support shoulder on the side rail extrusion, although angles between 30°-60° are contemplated as being within the scope of the present invention. All of the self-threading fasteners are inserted from above the cross support extrusion to aid in the speed of assembly. The physical configuration of the cross support allows all of the self-threading fasteners used to attach the cross support to the side rail to be visible and accessible from above the conveyor assembly, which provides improved access for assembly and disassembly.
- In addition to the method of attaching the cross support to the side rails, each of the side rails includes at least one integrated “light duty” self-tapping auxiliary slot. Each side rail features at least one of light duty auxiliary slots, which can be used for supporting or landing of electrical wires or other auxiliary devices. Self-threading fasteners are inserted into the auxiliary slot on the side rails, which eliminates the need for a T-nut, thus reducing cost and reducing the time it takes to land electrical wires along the entire conveyor.
- In accordance with the present invention, each side rail extrusion contains an air flow cavity that can be configured to receive a supply of pressurized air. The end of each extrusion will be blocked, providing a continuous air line for customer access. When multiple section conveyors are used, a connection device is used to bridge the pressurized air from one module to the next. Preferably, the side rail has a location groove along the outside of the side rail to provide a location to access the integrated air flow cavity. To access the air flow cavity, a simple drill and tap can be preformed anywhere along the rail at the location groove and a pneumatic fitting can be installed.
- In addition to the integrated air line, the side rail extrusion contains an open wire channel that will accommodate several low voltage wire lines. The wire channel is a continuous, uninterrupted partially enclosed channel that provides support and protection for low voltage wires running from their electronic device to the main junction box or control enclosure. The wire channel has a close fitting cover to seal off the wire channel. This cover can be cut to allow wires to enter and exit the wire channel.
- The drawings illustrate the best mode presently contemplated of carrying out the invention.
- In the drawings:
-
FIG. 1 is a perspective view illustrating a conveyor frame assembly constructed in accordance with the present invention; -
FIG. 2 is an end view of the conveyor frame assembly shown inFIG. 1 ; -
FIG. 3 is an end view, similar toFIG. 2 , illustrating the location of the upper and lower runs of a continuous conveyor belt; -
FIG. 4 is a top perspective view illustrating the mounting of a cross support between a pair of spaced side rails; -
FIG. 5 is a perspective view of the cross support machined for use with a plurality of self-tapping fasteners; -
FIG. 6 is an end view of the cross support shown inFIG. 5 ; -
FIG. 7 is an end view illustrating the side rail; -
FIG. 8 is a perspective view of the conveyor frame assembly illustrating the attachment of an auxiliary support device mounted to one of the self-tapping auxiliary slots formed in the conveyor frame side rail; and -
FIG. 9 is an end view of the conveyor frame assembly shown inFIG. 8 . -
FIG. 1 illustrates aconveyor frame assembly 10 constructed in accordance with the present invention. Theconveyor frame assembly 10 generally includes a pair ofside rails 12 spaced from each other by the width of the conveyor belt (not shown) to be utilized with the conveyor frame assembly. The pair ofside rails 12 are supported in a spaced relationship by the pair of cross supports 14 illustrated inFIG. 1 . Although theconveyor frame assembly 10 shown inFIG. 1 includes only a pair ofcross supports 14, it should be understood thatadditional cross supports 14 could be utilized in conveyor frame assemblies having a significantly greater length and/or width. The cross supports 14 provide structural integrity for theconveyor frame assembly 10 andadditional cross supports 14 may be needed for longer lengths of the conveyor frame assembly. - In the embodiment of the invention illustrated in
FIG. 1 , both theside rails 12 and thecross supports 14 are formed from extruded aluminum, although other materials are contemplated as being within the scope of the present disclosure. - Referring now to
FIG. 6 , thereshown is an end view of one of the cross supports 14. As illustrated, thecross support 14 includes acenter section 16 defined by a pair ofouter sidewalls 18. Thesidewalls 18 define a generallyopen interior 20. Thecross support 14 includes a pair oflower attachment webs attachment webs lateral attachment slot lateral attachment slots outer wall 28 and aninternal rib 30. - The pair of
attachment webs central slot 32 defined by thecenter web 34. Thecenter web 34 extends upward into theopen interior 20 to create theslot 32. - The
cross support 14 further includes a firstupper section 36 and a secondupper section 38 that are separated from each other by anupper slot 40. Theupper slot 40 is defined by thecenter web 42 that also extends into theopen interior 20. The firstupper section 36 includes acentral attachment slot 44 while the secondupper section 38 includes a similarcentral attachment slot 46. - As illustrated in
FIG. 6 , thelateral attachment slots cross support 14. Each of thelateral attachment slots flat face surface 48. Theface surface 48 formed on each of theattachment webs center section 16. Thecentral attachment slot 44 is also formed slightly below thetop face surface 50 while thecentral attachment slot 46 is formed slightly below thetop face surface 52. - Referring now to
FIG. 5 , thereshown is thecross support 14 machined for use between the side rails of the conveyor frame assembly. Thecross support 14 includes arelieved access area 54 formed near both of the first and second ends 56, 58 of thecross support 14. Specifically, each of therelieved access areas 54 is formed by removing a portion of thetop face surface relieved access areas 54 create a pair of attachment face surfaces 60, each in one of theupper sections FIG. 5 , the attachment face surfaces 60 are formed at an angle relative to vertical. In the embodiment ofFIG. 5 , each of the attachment face surfaces 60 extends at an angle of approximately 30° relative to vertical. The attachment facesurface 60 extends through each of thecentral attachment slots cross support 14 in the manner to be described in detail below. - In addition to the
relieved access areas 54, thecross support 14 is formed with a pair of lower,relieved access areas 62 formed in each of theattachment webs FIG. 5 , the lowerrelieved access areas 62 are formed near both thefirst end 56 and thesecond end 58 of thecross support 14. The lowerrelieved access areas 62 are formed by a milling process and create anattachment face surface 64. The attachment facesurface 64 is formed at a similar angle relative to vertical as the attachment face surfaces 60. In the preferred embodiment, theattachment face surface 64 extends at the same 30° angle relative to vertical. The lowerrelieved access area 62 provides access to thelateral attachment slot 26 formed in theattachment web 24. Although not shown inFIG. 5 , similarrelieved access areas 62 are formed in theattachment web 24 near both the first and second ends 56, 58 to provide similar access to thelateral attachment slot 27. -
FIG. 7 illustrates an end view of theside rail 12 used in constructing theconveyor frame assembly 10 shown inFIG. 1 . Theside rail 12 is preferably formed from extruded aluminum. As can be understood inFIG. 1 , both of the side rails 12 are formed from the same extrusion. Referring back toFIG. 7 , theside rail 12 includes an upper T-slot 66 and a lower T-slot 68 recessed from theouter wall 70. Each of the T-slots width entrance opening 72 and a receivingcavity 74. Each of the upper and lower T-slots side rail 12 in a conventional manner. - In addition to the upper and lower T-
slots side rail 12 includes a first self-tappingauxiliary slot 76 and a second self-tappingauxiliary slot 78 that are each sized to receive a self-threading fastener. Theauxiliary slots outer portion 80 and aconstant height channel 82. The self-tappingauxiliary slots side rail 12. - The
side rail 12 further includes integratedwire channel 84. Thewire channel 84 is formed by anouter wall 86 that defines aninternal wire cavity 88 having anentrance opening 90. Thewire cavity 84 extends, uninterrupted, from afirst end 92 to asecond end 94 of theside rail 12, as illustrated inFIG. 1 . Theuninterrupted wire channel 84 allows each of the side rails 12 to support a continuous low voltage wire or wires running from electronic devices mounted to theconveyor frame assembly 10 to a main junction box or control enclosure. Thewire channel 84, unlike the upper and lower T-slots wire cavity 84 will extend, uninterrupted, along the entire length of each of the side rails 12. - Referring back to
FIG. 7 , theside rail 12 further includes anair flow cavity 96 that extends, uninterrupted, along the entire length of theside rail 12. Theair flow cavity 96 is completely contained within theside rail 12 and extends along the entire length of the side rail. Preferably, theair flow cavity 96 can receive a pressurized supply of air by tapping into the air flow cavity 97 at a location between thefirst end 92 and thesecond end 94 of the conveyor frame assembly. Both ends of the side rail receiving the pressurized air typically receive an end cap to prevent the leakage of the pressurized air from within theair flow cavity 96. If a multiple section conveyor is constructed, a connection device (not shown) can be used to bridge the pressurized air from oneside rail 12 to a similar side rail of the following conveyor section. - As illustrated in
FIG. 7 , the outer wall 98 includes alocation groove 100 that provides a guide to access theair flow cavity 96 through the outer wall 98. As an example, if a device is attached to theside rail 12 that requires a supply of pressurized air, an air connection can be drilled through the outer wall 98 through thelocation groove 100. - Referring back to
FIG. 7 , the interior side of theside rail 12 includes an upper self-tappingslot 102 and a lower self-tappingslot 104 that each extend at an angle (30°) inward from aninner wall 106. Theinner wall 106 terminates with alower support shoulder 108. Positioned below thesupport shoulder 108 is a lower conveyorbelt receiving cavity 110. The conveyorbelt receiving cavity 110 is defined by a horizontaltop wall 112 and ahorizontal bottom wall 114. The top andbottom walls back wall 116. The height of the conveyorbelt receiving cavity 110 is defined by the distance between the top andbottom walls - The
side rail 12 further includes a bottom, T-slot 118. The bottom T-slot 118 is formed at the bottom of theside rail 12 and is configured to receive a conventional T-slot connector. Preferably, the bottom T-slot 118 allows theside rail 12 to be mounted to a support stand using conventional connectors. - Referring now to
FIGS. 1 and 2 , the method of assembling theconveyor frame assembly 10 will now be described. Initially, the pair of cross supports 14 are positioned at the desired location along the length of theside rail 12 between thefirst end 92 and thesecond end 94. In the embodiment shown inFIG. 1 , a pair of cross supports 14 are utilized. However, it should be understood that additional cross supports 14 could be utilized while operating within the scope of the present invention. - Referring now to
FIG. 2 , when thecross support 14 is positioned between the side rails 12, thebottom edge 120 of thecross support 14 rests upon the support shoulders 108 formed on each of the side rails 12. The support shoulders 108 provide the vertical support necessary to hold thecross support 14 in the position shown inFIG. 2 . - Once the
cross support 14 has been positioned as shown inFIG. 2 , a pair ofupper fasteners 122, such as self-threading screws, are used to secure thefirst end 56 and thesecond end 58 of thecross support 14 to each of the spaced side rails 12. As shown inFIGS. 1 and 2 , each of theupper fasteners 122 are received within therelieved access areas 54 machined into thecross support 14 and are tightened into the upper self-tappingslot 102. Thefasteners 122 are tightened until thehead 124 of thefastener 122 contacts theattachment face surface 60 formed as part of therelieved area 54, as best shown inFIG. 5 . - In addition to the pair of
upper fasteners 122, thecross support 14 is attached between the pair of side rails 12 by a pair oflower fasteners 126. In the embodiment shown inFIG. 2 , thelower fasteners 126 are also self-threading screws. The self-threadingfasteners 126 are each received within the lower self-tappingslots 104 formed in each of the side rails 12 until thehead 128 of the self-threadingfastener 126 contacts theattachment face surface 64 of therelieved access area 62. In this manner, the upper andlower fasteners cross support 14 between the pair of side rails 12. - Referring now to
FIG. 4 , the configuration of thecross support 14 allows both theupper fasteners 122 and thelower fasteners 126 to be installed between thecross support 14 and the pair of side rails 12 from above thecross support 14. Specifically, thelower fastener 126 is received within theattachment web 22, which is laterally offset from thecenter section 16. Theupper fastener 122 is received within thecentral attachment slot 46 which is accessible from above theconveyor frame assembly 10, as best illustrated inFIG. 4 . Thus, during the initial construction of theconveyor frame assembly 10, each of the cross supports 14 can be secured to the pair of spaced side rails 12 from above the conveyor frame assembly. Further, the lateral offset of theattachment web 22 allows both the upper andlower fasteners - Referring now to
FIG. 3 , thereshown is theentire conveyor assembly 10 constructed and being used with a conveyor belt having anupper run 130 and alower run 132. In the embodiment illustrated, each of the side rails 12 includes a pair of upper wear clips 134 each attached to theupper wall 136. The wear clips 134 are preferably formed from a durable, wear-resistant material, such as UHMW, that contacts thefirst surface 138 of the conveyor belt. Likewise, a pair of lower wear clips 140 are attached to thelower attachment flange 142 and contact thesecond surface 144 of the conveyor belt. - As illustrated in
FIG. 3 , thelower run 132 of the conveyor belt is received within the conveyorbelt receiving cavity 110 to limit the lateral and vertical movement of the conveyor belt during operation. As illustrated, the height of the conveyorbelt receiving cavity 110 is greater than the thickness of thelower run 132 such that the conveyor belt can move vertically within the conveyorbelt receiving cavity 110. - In the embodiment shown in
FIG. 3 , acenter support 146, having a wear resistantouter guard 148, is mounted between thecross support 14 to provide additional support for the center of theupper run 130 of the conveyor belt. In the embodiment shown inFIG. 3 , a series oflow voltage wires 150 are received within thewire channel 84 and extend along the entire length of theside frame 12. - Referring now to
FIGS. 8 and 9 , each of the side rails 12 includes a pair of self-tappingauxiliary slots auxiliary slots first end 92 to thesecond end 94. The self-tappingauxiliary slots reference numeral 152. The self-threadingconnector 152 includes ahead portion 154 and a threaded shaft. As thefastener 152 is turned within one of the self-tappingauxiliary slots fastener 152 creates a series of threads within theside rail 12. - In the embodiment shown in
FIG. 8 , thefastener 152 secures anauxiliary attachment device 156 to the outer face surface of theside rail 12. Theauxiliary attachment device 156 can be selectively positioned anywhere along the length of the side rail between thefirst end 92 and thesecond end 94. Once in position, thefastener 152 can be threaded into the self-tappingauxiliary slot 76. In this manner, theattachment device 156 can be selectively positioned at any location along the length of the conveyor frame assembly. It is contemplated that theattachment device 156 may be used for conduit to guide electrical wires, cables or air hoses along the length of the conveyor assembly. Alternatively, various other types of lightweight auxiliary devices can be mounted at any position along the length of the conveyor assembly through the use of the pair of self-tappingslots - Although the side rails 12 are shown with a pair of self-tapping
auxiliary slots auxiliary slots
Claims (21)
Priority Applications (1)
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US12/039,888 US7735638B2 (en) | 2007-03-02 | 2008-02-29 | Conveyor frame assembly having side rails including multiple attachment slots and adjustable cross supports |
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US89263607P | 2007-03-02 | 2007-03-02 | |
US12/039,888 US7735638B2 (en) | 2007-03-02 | 2008-02-29 | Conveyor frame assembly having side rails including multiple attachment slots and adjustable cross supports |
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US20080210529A1 true US20080210529A1 (en) | 2008-09-04 |
US7735638B2 US7735638B2 (en) | 2010-06-15 |
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US12/039,888 Active 2028-05-12 US7735638B2 (en) | 2007-03-02 | 2008-02-29 | Conveyor frame assembly having side rails including multiple attachment slots and adjustable cross supports |
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US20090045653A1 (en) * | 2007-08-13 | 2009-02-19 | International Truck Intellectual Property Company, Llc | Wire rope harness backbone |
US20100300840A1 (en) * | 2009-05-27 | 2010-12-02 | Bleichert, Inc. | Gravity Conveyor System |
WO2011030135A1 (en) | 2009-09-08 | 2011-03-17 | Ishida Europe Limited | Processing line |
EP2322454A1 (en) * | 2009-11-13 | 2011-05-18 | Dorner Mfg. Corp. | Extruded rail with contained mounting cavity |
KR200455345Y1 (en) * | 2008-12-19 | 2011-08-31 | 주식회사 에이원마이크로 | Conveyor frame |
WO2015050450A1 (en) | 2013-10-04 | 2015-04-09 | Marel Stork Poultry Processing B.V. | Support structure as well as a conveyor system comprising such a support structure |
US20170183161A1 (en) * | 2015-12-29 | 2017-06-29 | Guangdong Oufulong Automatic Shelf Technology Co., Ltd. | Automatic roller shaft transmission device |
US20210146965A1 (en) * | 2010-11-10 | 2021-05-20 | Sew-Eurodrive Gmbh & Co. Kg | Method for producing different variants of rails from an assembly set, and system having a vehicle which is movable on a rail component |
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US9617078B2 (en) * | 2014-03-14 | 2017-04-11 | Dorner Mfg. Corp. | Conveyor frame assembly with cross supports |
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US11585048B2 (en) * | 2010-11-10 | 2023-02-21 | Sew-Eurodrive Gmbh & Co. Kg | Method for producing different variants of rails from an assembly set, and system having a vehicle which is movable on a rail component |
WO2015050450A1 (en) | 2013-10-04 | 2015-04-09 | Marel Stork Poultry Processing B.V. | Support structure as well as a conveyor system comprising such a support structure |
US20170183161A1 (en) * | 2015-12-29 | 2017-06-29 | Guangdong Oufulong Automatic Shelf Technology Co., Ltd. | Automatic roller shaft transmission device |
GB2594560A (en) * | 2020-03-03 | 2021-11-03 | Ocado Innovation Ltd | A grid framework structure |
GB2594560B (en) * | 2020-03-03 | 2022-07-06 | Ocado Innovation Ltd | A grid framework structure |
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